28413740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3251}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 65560320

約数和(自身を除く): 37146580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3251, 4370, 6502, 8740, 13004, 16255, 32510, 61769, 65020, 74773, 123538, 149546, 247076, 299092, 308845, 373865, 617690, 747730, 1235380, 1420687, 1495460, 2841374, 5682748, 7103435, 14206870, 28413740]

約数ペア:

[(1, 28413740), (2, 14206870), (4, 7103435), (5, 5682748), (10, 2841374), (19, 1495460), (20, 1420687), (23, 1235380), (38, 747730), (46, 617690), (76, 373865), (92, 308845), (95, 299092), (115, 247076), (190, 149546), (230, 123538), (380, 74773), (437, 65020), (460, 61769), (874, 32510), (1748, 16255), (2185, 13004), (3251, 8740), (4370, 6502)]